Frame of a tricycle for children



FIG. 1 is a perspective view of a frame of a tricycle for children showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is rear elevational view;

FIG. 8 is a perspective view of the claimed design on a reduced scale in position of use; and,

FIG. 9 is another right side elevational view of the claimed design in position of use.

The broken lines shown form no part of the claimed design. 

The ornamental design for a frame of a tricycle for children, as shown and described. 